278818072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2680943}}^1$

素因数の和:2680962

約数の個数: 16

約数和(自身を含む): 562998240

約数和(自身を除く): 284180168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2680943, 5361886, 10723772, 21447544, 34852259, 69704518, 139409036, 278818072]

約数ペア:

[(1, 278818072), (2, 139409036), (4, 69704518), (8, 34852259), (13, 21447544), (26, 10723772), (52, 5361886), (104, 2680943)]